Inflatable hat



FIG. 1 is a side elevational view of an inflatable hat showing my design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top and front perspective view thereof;

FIG. 4 is a top plan view thereof; and

FIG. 5 is a top perspective view thereof.

The woman in broken lines in FIGS. 1 and 2 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for an inflatable hat, as shown and described. 